100442602 has 16 divisors (see below), whose sum is σ = 167849640. Its totient is φ = 44759232.

The previous prime is 100442599. The next prime is 100442609. The reversal of 100442602 is 206244001.

It can be written as a sum of positive squares in 4 ways, for example, as 92371321 + 8071281 = 9611^2 + 2841^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100442602.

It is not an unprimeable number, because it can be changed into a prime (100442609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65853 + ... + 67360.

Almost surely, 2^100442602 is an apocalyptic number.

100442602 is a deficient number, since it is larger than the sum of its proper divisors (67407038).

100442602 is a wasteful number, since it uses less digits than its factorization.

100442602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133257.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 100442602 is about 10022.1056669744. The cubic root of 100442602 is about 464.8426677039.

Adding to 100442602 its reverse (206244001), we get a palindrome (306686603).

The spelling of 100442602 in words is "one hundred million, four hundred forty-two thousand, six hundred two".